Archive

Dive into a collection of past posts and rediscover timeless content.

Linux

Jul 29, 2026

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9 min read

Linux Processes That Do Nothing, Explained

States, Threads, I/O Waits, and /proc Deep Dive

Yoshik Karnawat

Digest

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

Jul 26, 2026

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2 min read

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

From compromised release branches and silent PostgreSQL defaults to chaos-tested Kubernetes operators and high-availability systems that still brown out

Yoshik Karnawat

Networking

Jul 22, 2026

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9 min read

How TLS Works - Deep Dive

Inside the TLS Handshake: How Certificates, Key Exchange, and Latency Shape Your HTTPS Performance

Yoshik Karnawat

Digest

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

Jul 19, 2026

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2 min read

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

Production failures, infrastructure at extreme scale, and the security gaps that can turn a small misconfiguration into a cluster takeover

Yoshik Karnawat

Cloud

Jul 13, 2026

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10 min read

AWS IAM Simply Explained

IAM Deep Dive. Bookmark this.

Yoshik Karnawat

Digest

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Jul 12, 2026

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2 min read

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Why working code gets replaced too early, databases become harder to operate than expected, and real infrastructure costs begin after the demo

Yoshik Karnawat

DevOps

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

Jul 8, 2026

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7 min read

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

The advice I'd give every junior DevOps and SRE engineer starting today.

Yoshik Karnawat

Digest

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Jul 6, 2026

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2 min read

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Self-managing infra, transaction-powered workflows, and the practical lessons hiding behind retry storms, pager fatigue, and simpler stacks

Yoshik Karnawat

DevOps

21 Lessons I Learned in My First 3 Years as an SRE

Jun 28, 2026

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3 min read

21 Lessons I Learned in My First 3 Years as an SRE

The advice I'd give every junior DevOps and SRE engineer starting today.

Yoshik Karnawat

Digest

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Jun 26, 2026

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1 min read

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Practical infra lessons, zero-downtime migrations, and simple systems that keep outperforming fashionable stacks

Yoshik Karnawat

Archive

Dive into a collection of past posts and rediscover timeless content.

Linux Processes That Do Nothing, Explained

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

How TLS Works - Deep Dive

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

AWS IAM Simply Explained

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

21 Lessons I Learned in My First 3 Years as an SRE

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

The Uptime Engineer